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EPB / longitudinal acceleration sensor
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BANTY
 


Member Since: 11 Dec 2011
Location: Hillsborough
Posts: 11

Northern Ireland 2007 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3
EPB / longitudinal acceleration sensor

Help ! I have an intermittent problem with my EPB in mornings it flashes park brake fault and then the yellow brake light stays on, it only does this overnight. So I brought it to private Lr guy and he plugged it in and it is the longitudinal acceleration sensor fault but it will not take intsruction from the computer to calibrate itself ! So got electrician to check out power to epb unit and all is fine now my Lr guy says that I need a new EPB unit !! Bit Censored but park brake works fine and shoes and cables all in good condition ! Has anyone heard of this before ? Plz help bit peeved !! Supercharged grill, Economy chip, Chrome pack  
Post #99374224th Oct 2012 7:18 pm
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newman4x4
 


Member Since: 31 Jul 2010
Location: 07100 BOULIEU
Posts: 13

France 2005 Discovery 3 TDV6 HSE Auto Unknown ColourDiscovery 3

Hi,

Did you get to the bottom of this, I have the exact same problem, did the sensor need changing?

Thanks.
Alex.  
Post #19879821st Oct 2018 9:14 am
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L319
 


Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 2080

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

EPB light can be illuminated with none park brake faults . May be worth seeing if anyone local has a IID to check for you.  
Post #19880861st Oct 2018 6:39 pm
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newman4x4
 


Member Since: 31 Jul 2010
Location: 07100 BOULIEU
Posts: 13

France 2005 Discovery 3 TDV6 HSE Auto Unknown ColourDiscovery 3

Got this one :
• C1A40-02 (A8) Longitudinal acceleration sensor - General failure information - general signal failure

And calibration with IID fails. So I was wondering before changing the sensors if it could be electric loom related.

Alex.  
Post #19882232nd Oct 2018 7:43 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20729

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

The module will not calibrate if it isn’t not mounted correctly My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #19882272nd Oct 2018 8:02 am
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newman4x4
 


Member Since: 31 Jul 2010
Location: 07100 BOULIEU
Posts: 13

France 2005 Discovery 3 TDV6 HSE Auto Unknown ColourDiscovery 3

Thanks, will check it asap.  
Post #19882402nd Oct 2018 9:35 am
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newman4x4
 


Member Since: 31 Jul 2010
Location: 07100 BOULIEU
Posts: 13

France 2005 Discovery 3 TDV6 HSE Auto Unknown ColourDiscovery 3

Finaly got the car back in the shop, and yes the EPB module wasn't fix proparly. it has been changed by previous garage and it wasn't sitting on its bottom bushes.

Thanks a lot!
Alex.  
Post #200798411th Dec 2018 8:45 am
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